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Model Forum / General / Rockets / November 2006Grain silos can detonate despite what all of us think...
Let's start a list of stuff that can explode, "given just the right conditions", to help out the retards (apologies to retards, for comparing them to ^H^H^H): Grain dust... Gasoline... Heating Oil... Kerosene... Vodka.... Paint thinner... Deisel fuel... Acetone... Coal dust... Propane tanks... > Let's start a list of stuff that can explode, "given just the right conditions", > to help out the retards (apologies to retards, for comparing them to ^H^H^H): > > Grain dust... Gasoline... Heating Oil... Kerosene... Vodka.... > > Paint thinner... Deisel fuel... Acetone... Coal dust... Propane tanks... KT :-) Actually, it's pretty simple. If it burns or oxidizes, and you powder it fine enough and mix it with an oxidizer (or in the case of oxidizers, a fuel), it will probably explode. Hydrogen. Flour. Fertilizer. Sawdust. Natural gas. Sugar. Bird doo. Steel. Fortunately, the law clearly says "primary or intended use". Of the items listed, the only ones whose primary or intended use is to explode are gasoline and diesel fuel. I see where gasoline is exempted, but what about diesel fuel? How is that legal to own or use in an IC engine without a permit fo some sort?  SignatureBob Kaplow NAR # 18L >>> To reply, there's no internet on Mars (yet)! <<< Kaplow Klips & Baffle: http://nira-rocketry.org/Document/MayJun00.pdf www.encompasserve.org/~kaplow_r/ www.nira-rocketry.org www.nar.org S&T is becoming this decades Steve Weaver! > > Let's start a list of stuff that can explode, "given just the right conditions", > > to help out the retards (apologies to retards, for comparing them to ^H^H^H): [quoted text clipped - 22 lines] > > S&T is becoming this decades Steve Weaver! In an ICE, gasoline does not explode, it burns. If it DOES explode, you get "knocking" Not really the intended use of gasoline. Diesel on the other hand does explode in an ICE. -Aaron Gasoline is exploding in an ICE, Knocking/PING (preignition) is the exploding before its intended timing. Dennis >> > Let's start a list of stuff that can explode, "given just the right >> > conditions", [quoted text clipped - 34 lines] > > -Aaron The use of the word explode is a fundamental problem with these discussions. Gasoline and diesel fuels intended purpose is to combust in the engine. They do not detonate. They certainly combust rapidly, and one could think of them as "exploding" in the sense that they combust extremely rapidly generating hot gas that can do work. "Detonation" in it's use as an automotive term is misleading, the proper term is preignition, and as mentioned already it is simply ignition of the mixture way ahead of time before the piston reaches TDC (although ignition a little ahead of TDC is commonplace, but controlled by ignition timing), causing terrific stresses on the engine. Diesel fuel is ignited by the heat generated by rapid compression. All fuels if allowed to react with an oxidizer in a vessel which cannot maintain integrity at the pressure generated, will "explode". Grain silos full of organic dust and air can explode due to the pressure created by combustion of the grain dust. Propane tanks can explode if the vessel fails, without the benefit of combustion of the propane. Balloons explode if you poke them with a pin. The list goes on.. endlessly and in tiresome fashion. And really has little bearing on the issue of compounded propellants. > > > Let's start a list of stuff that can explode, "given just the right conditions", > > > to help out the retards (apologies to retards, for comparing them to ^H^H^H): [quoted text clipped - 28 lines] > > -Aaron > In an ICE, gasoline does not explode, it burns. If it DOES explode, > you get "knocking" Not really the intended use of gasoline. Diesel on > the other hand does explode in an ICE. Even if you were right, it's still deflagrates, which the BATFE says is enough to be regulated. So the question stands, why isn't diesel fuel regulated as an explosive? SignatureBob Kaplow NAR # 18L >>> To reply, there's no internet on Mars (yet)! <<< Kaplow Klips & Baffle: http://nira-rocketry.org/Document/MayJun00.pdf www.encompasserve.org/~kaplow_r/ www.nira-rocketry.org www.nar.org S&T is becoming this decades Steve Weaver! >enough to be regulated. So the question stands, why isn't diesel fuel >regulated as an explosive? The agency is clueful about one thing: touching (regulating) some things will bring them pain. In this case, the transportation lobbies would buy some congressmen and have diesel taken off the list. why isn't diesel fuel regulated as an explosive? because in order to deflagrate in any manner that is powerful enough to cause damage it requires an oxydizer, such as amonium nitrate, which is usualy regulated. > > In an ICE, gasoline does not explode, it burns. If it DOES explode, > > you get "knocking" Not really the intended use of gasoline. Diesel on [quoted text clipped - 10 lines] > > S&T is becoming this decades Steve Weaver! > because in order to deflagrate in any manner that is powerful enough to > cause damage it requires an oxydizer, such as amonium nitrate, which is > usualy regulated. Guess again. SignatureBob Kaplow NAR # 18L >>> To reply, there's no internet on Mars (yet)! <<< Kaplow Klips & Baffle: http://nira-rocketry.org/Document/MayJun00.pdf www.encompasserve.org/~kaplow_r/ www.nira-rocketry.org www.nar.org S&T is becoming this decades Steve Weaver! That's just plain wrong. The vaporized gas/air mixture does explode, and knocking is pre-ignition. -- David > In an ICE, gasoline does not explode, it burns. If it DOES explode, > you get "knocking" Not really the intended use of gasoline. Diesel on > the other hand does explode in an ICE. > > -Aaron http://en.wikipedia.org/wiki/Engine_knocking > That's just plain wrong. The vaporized gas/air mixture does explode, and > knocking is pre-ignition. [quoted text clipped - 6 lines] > > > > -Aaron That's what I always understood. Knocking is caused by too early ignition which can be remedied by adjusting the timing or different fuel. > That's just plain wrong. The vaporized gas/air mixture does explode, and > knocking is pre-ignition. [quoted text clipped - 10 lines] >> >> > Let's start a list of stuff that can explode, "given just the right > conditions", [quoted text clipped - 5 lines] > Paint thinner... Deisel fuel... Acetone... Coal dust... Propane > tanks... I'll bet your parents are really proud of you. In spite of the fact that you should be ashamed of yourself... J > Let's start a list of stuff that can explode, "given just the right conditions", > to help out the retards (apologies to retards, for comparing them to ^H^H^H): > > Grain dust... Gasoline... Heating Oil... Kerosene... Vodka.... > > Paint thinner... Deisel fuel... Acetone... Coal dust... Propane tanks... Conservative Republicans? You only have to look at them the wrong way and they go right off! >> Let's start a list of stuff that can explode, "given just the right conditions", >> to help out the retards (apologies to retards, for comparing them to ^H^H^H): >> >Conservative Republicans? >You only have to look at them the wrong way and they go right off! Liberal Democrats? Same reason. :-) > Same reason. :-) I've never typed a face so here goes my 1st :-( Just having some fun. |
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